San Antonio Weather Forecast
- 34
- 78
Mostly Sunny
- 34
- 78
Sunny
- 35
- 80
Mostly Sunny
- 32
- 74
Partly Sunny
- 35
- 71
Mostly Sunny
- 35
- 76
Mostly Sunny
Today 19 Mar Southern San Luis Valley
Sunny. Highs 73 to 79. Light Winds becoming northwest up to 10 Mph in the afternoon.
Tonight 19 Mar Southern San Luis Valley
Mostly clear. Lows 28 to 41. Northwest Winds up to 10 Mph.
San Antonio Temperature Statistics
March Temperature
San Luis Valley Regional Airport (29.8 miles)
Lowest 8 March, 2026
10 °FAverage March
40 °FHighest 14 March, 2026
68 °F
Climate (2021–Present)
San Luis Valley Regional Airport (29.8 miles)
Average Low 2021–2026
26.8 °FAverage 2021–2026
45 °FAverage High 2021–2026
63 °F